Weather in Duwamish, WA
Duwamish, Saturday, 17 October, 12:06
Partly cloudy. Feels like 58°. High 60°, low 49°.
Monthly outlook for Duwamish, WA: average high 55.2°, average low 46°. That is 0.1° below the climate normal for October. Precipitation is expected on 8 days (about 2.7 inches), against a normal of 8 days and 3.3 inches. The warmest day looks like 21 October (60.9°), the coolest 1 November (40°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 57.3° | 56.6° | +0.4° |
| 27 October – 5 November | 51.7° | 53° | -0.7° |
| 6 November – 15 November | at normal | 50.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Riverton (1 mi).
0
Duwamish, Sunday, 18 October
Overcast. High 59°, low 42°.
0Duwamish, Monday, 19 October
Overcast. High 57°, low 49°.
0Duwamish, Tuesday, 20 October
Overcast. High 58°, low 49°.
0Duwamish, Wednesday, 21 October
Partly cloudy. High 61°, low 46°.
0Duwamish, Thursday, 22 October
Overcast. High 57°, low 48°.
0Duwamish, Friday, 23 October
Overcast. High 59°, low 45°.
0.43
Duwamish, Saturday, 24 October
Rain. High 52°, low 48°.
0.04Duwamish, Sunday, 25 October
Light rain. High 53°, low 45°.
0.4Duwamish, Monday, 26 October
Rain. High 57°, low 49°.
0.07Duwamish, Tuesday, 27 October
Light rain. High 55°, low 49°.
0.93Duwamish, Wednesday, 28 October
Rain. High 50°, low 47°.
0.04Duwamish, Thursday, 29 October
Light rain. High 50°, low 43°.
0.15Duwamish, Friday, 30 October
Light rain. High 52°, low 44°.
0.56Duwamish, Saturday, 31 October
Rain. High 49°, low 43°.
0
Duwamish, Sunday, 1 November
Mostly clear. High 53°, low 40°.
0.19Duwamish, Monday, 2 November
Climate normal for this date — 60-year average.
0.26Duwamish, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.31Duwamish, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.19Duwamish, Thursday, 5 November
Climate normal for this date — 60-year average.
0.28Duwamish, Friday, 6 November
Climate normal for this date — 60-year average.
0.26Duwamish, Saturday, 7 November
Climate normal for this date — 60-year average.
0.19Duwamish, Sunday, 8 November
Climate normal for this date — 60-year average.
0.24Duwamish, Monday, 9 November
Climate normal for this date — 60-year average.
0.2
Duwamish, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.24Duwamish, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.26Duwamish, Thursday, 12 November
Climate normal for this date — 60-year average.
0.29Duwamish, Friday, 13 November
Climate normal for this date — 60-year average.
0.29Duwamish, Saturday, 14 November
Climate normal for this date — 60-year average.
0.24Duwamish, Sunday, 15 November
Climate normal for this date — 60-year average.
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Duwamish, WA are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in Duwamish, WA since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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